$ git clone -n https://src.fedoraproject.org/rpms/chan.git /var/lib/mock/f40-build-2275313-55070/root/chroot_tmpdir/scmroot/chan
Cloning into '/var/lib/mock/f40-build-2275313-55070/root/chroot_tmpdir/scmroot/chan'...
$ git fetch origin f0a0d379970af7c9a31dbaa15acccbebdd2b02e9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/chan
 * [new ref]         f0a0d379970af7c9a31dbaa15acccbebdd2b02e9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f0a0d37 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild